102222212211 has 48 divisors (see below), whose sum is σ = 171927887040. Its totient is φ = 57322137600.

The previous prime is 102222212203. The next prime is 102222212251. The reversal of 102222212211 is 112212222201.

It is a happy number.

102222212211 is a `hidden beast` number, since 1 + 0 + 222 + 221 + 221 + 1 = 666.

It is not a de Polignac number, because 102222212211 - 2³ = 102222212203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102222212251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 647935 + ... + 790103.

It is an arithmetic number, because the mean of its divisors is an integer number (3581830980).

Almost surely, 2^102222212211 is an apocalyptic number.

102222212211 is a deficient number, since it is larger than the sum of its proper divisors (69705674829).

102222212211 is a wasteful number, since it uses less digits than its factorization.

102222212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142396 (or 142393 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102222212211 its reverse (112212222201), we get a palindrome (214434434412).

The spelling of 102222212211 in words is "one hundred two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred eleven".